1974 GMC K15/K1500 Suburban equipped with 7.4L V8 Gas OHV, 5.7L V8 LPG OHV, 5.7L V8 Gas OHV, 4.1L L6 LPG OHV, 4.1L L6 Gas OHV
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AC System Seal Kit Caps and Valve Core Seal Kit w/ R12 or R134a Retrofit System
1974 GMC K15/K1500 Suburban equipped with 7.4L V8 Gas OHV, 5.7L V8 LPG OHV, 5.7L V8 Gas OHV, 4.1L L6 LPG OHV, 4.1L L6 Gas OHV
AC System Seal Kit Caps and Valve Core Seal Kit w/ R12 or R134a Retrofit System